D-Xylose Absorption Test
What Affects the Test
Reasons you may not be able to have the test or why the results may not be helpful include:
- Vomiting after taking the D-xylose solution.
- Being Reference dehydrated Opens New Window before starting the test.
- Eating foods high in pentose within 24 hours before the test. These foods include fruits, jams, jellies, and pastries.
- Large amounts of bacteria in the intestines.
- Kidney disease or bladder problems that prevent you from completely emptying your bladder.
- Medicines, such as antibiotics, aspirin, and heart medicines. Many medicines can affect D-xylose test results.
- Physical activity during the test. You will be instructed to rest quietly until the test is complete.
- Conditions that cause food to remain in the stomach for a long time.
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